Games like Santa's Last Stand
Games like Santa's Last Stand include Vampire Survivors, BALL x PIT, Skul: The Hero Slayer, Dead Cells, and The Binding of Isaac: Rebirth. We matched them by the tags players give Santa's Last Stand on Steam (Action Roguelike, Strategy, Shoot 'Em Up, Roguelite, and Roguelike): closest matches first, and among equally close ones the better-known games.

Vampire Survivors
Shared: Action Roguelike · Roguelite · 2D

BALL x PIT
Shared: Roguelite · Action Roguelike · Roguelike

Skul: The Hero Slayer
Shared: Action Roguelike · Roguelike · Roguelite

Dead Cells
Shared: Action Roguelike · Roguelike · Roguelite

The Binding of Isaac: Rebirth
Shared: Action Roguelike · Roguelike · 2D

暖雪 Warm Snow
Shared: Action Roguelike · Roguelite · Roguelike

Megabonk
Shared: Action Roguelike · Roguelite · Roguelike

Hades
Shared: Action Roguelike · Roguelite · Roguelike

Balatro
Shared: Roguelike · Strategy · Roguelite

Halls of Torment
Shared: Action Roguelike · Roguelite · Roguelike

20 Minutes Till Dawn
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

The Binding of Isaac
Shared: Action Roguelike · Roguelike · Top-Down

Star of Providence
Shared: Action Roguelike · Roguelite · Shoot 'Em Up

I Am Legion: Stand Survivors
Shared: Action Roguelike · Shoot 'Em Up · Roguelite

Sephiria
Shared: Action Roguelike · Roguelite · Roguelike

Dungreed
Shared: Action Roguelike · Roguelite · Roguelike

UnderMine
Shared: Action Roguelike · Roguelite · Top-Down

Octogeddon
Shared: Action Roguelike · Shoot 'Em Up · Strategy

Nuclear Throne
Shared: Action Roguelike · Roguelike · Roguelite

Enter the Gungeon
Shared: Action Roguelike · Roguelike · Pixel Graphics

Necrosmith
Shared: Action Roguelike · Roguelite · Strategy

Streets of Rogue
Shared: Action Roguelike · Roguelite · Roguelike

Loop Hero
Shared: Roguelike · Roguelite · Deckbuilding

Talented
Shared: Action Roguelike · Shoot 'Em Up · Roguelite